If the threading is falling out, you may not be doing it correctly. That happened to me at first but I asked my mom, (who is from Ivory Coast) for help. She did this on my hair growing up. A tip it's...

In case you do get them eventually, I've gotten Senegalese twists for about half my life. I've done it with my relaxed and now natural texture. My advice is the bigger you get them the more your hair...